package com.kunda.netty.time;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.LineBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;

public class TimeClient {
	
	public void connect(int port,String host) throws Exception{
		EventLoopGroup group = new NioEventLoopGroup();
		
		try{
			Bootstrap b = new Bootstrap();
			b.group(group)
			 .channel(NioSocketChannel.class)
			 .option(ChannelOption.TCP_NODELAY, true)
			 .handler(new ChannelInitializer<SocketChannel>() {

				@Override
				protected void initChannel(SocketChannel ch) throws Exception {
					ch.pipeline().addLast(new LineBasedFrameDecoder(1024));
					ch.pipeline().addLast(new StringDecoder());
					ch.pipeline().addLast(new TimeClientHandler());
				}
				 
			});
			
			ChannelFuture future = b.connect(host, port).sync();
			
			future.channel().closeFuture().sync();
		}
		finally{
			group.shutdownGracefully();
		}
	}
	
	public static void main(String[] args) throws Exception{
		
		System.out.println("starting time client...");
		int port = 8080;
		new TimeClient().connect(port, "localhost");
		
	}
}
